Home / 21,633.91-32,450.87-9,150.70

Finding the Fourth Proportional to 21,633.91, 32,450.87 and 9,150.70

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Solution

The fourth proportional to 21,633.91, 32,450.87 and 9,150.70 is: 13,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.91 : 32,450.87 = 9,150.70 : x
  2. Step 2: Convert to fraction form
    21,633.91/32,450.87 = 9,150.70/x
  3. Step 3: Cross multiply
    21,633.91x = 32,450.87 × 9,150.70
  4. Step 4: Simplify right side
    21,633.91x = 296,948,176.11
  5. Step 5: Solve for x
    x = 296,948,176.11/21,633.91
  6. Step 6: Final answer
    x = 13,726.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.